Effects of Off-Pump and On-Pump Coronary-Artery Bypass Grafting at 1 Year

Study Questions:

What is the impact of coronary artery bypass grafting (CABG) performed with a beating-heart technique (off-pump) as compared to CABG performed with cardiopulmonary bypass (on-pump) on quality of life and cognitive function, and on clinical outcomes at 1 year?